{% load static %}
<div class="card bg-info mt-3 mb-3">
    <div class="card-body">
        <h3 class="float-left">
            <img src="{% static 'images/bg.gif' %}" alt="" width="70" height="70">
            灰灰博客
        </h3>
        <div class="float-right btn-group" role="group">
            <a href="/category/O" class="btn btn-secondary">原创</a>
            <a href="/category/R" class="btn btn-secondary">转载</a>
        </div>
    </div>
</div>